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Finding the Fourth Proportional to 104,254.93, 143,870.24 and 58,931.32

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Solution

The fourth proportional to 104,254.93, 143,870.24 and 58,931.32 is: 81,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.93 : 143,870.24 = 58,931.32 : x
  2. Step 2: Convert to fraction form
    104,254.93/143,870.24 = 58,931.32/x
  3. Step 3: Cross multiply
    104,254.93x = 143,870.24 × 58,931.32
  4. Step 4: Simplify right side
    104,254.93x = 8,478,463,151.92
  5. Step 5: Solve for x
    x = 8,478,463,151.92/104,254.93
  6. Step 6: Final answer
    x = 81,324.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.